Welding Technology

Upon completion of this course, the student will be able to:

• apply safety standards to each welding process and other related metal working equipment.
• apply traditional and non-traditional metal working techniques to design and execute 3-dimensional functional and nonfunctional art forms.
• utilize welding and cutting processes to construct art projects.
• inspect welding for projects and make corrective changes to create structurally sound connections.

Upon completion of this course, the student will be able to:

• identify the electronic components of a welding power supply.
• evaluate the operating characteristics of various types of welding equipment.
• conduct research on the operation and purchase of welding equipment components that require replacement or repair.
• apply critical thinking analysis towards the troubleshooting and repair of welding equipment.
• properly use test equipment needed in the problem solving and repair of nonoperational equipment.
• apply the required knowledge of the electrical components and their connection to welding power supplies to produce satisfactory welds.
• determine the proper way of connecting welding equipment to the correct power source during the installation process.
• apply the required safety procedures when maintaining or repairing any type of welding equipment.

Upon completion of this course, the student will be able to:

• perform arc welding that meets SkillsUSA standards.
• analyze welding projects and make corrective changes to meet SkillsUSA standards.
• understand the parameters of a specified welding procedure.
• apply safety rules and regulations for welding and metal cutting.
• explain the variables for each chosen process.
• explain the requirements for the SkillsUSA competitions.
• understand the requirements for testing according to the various welding codes.

Upon completion of this course, the student will be able to:

• perform basic material testing.
• explain the basic physical principles of ultrasonic testing.
• describe basic ultrasonic machine functions.
• perform basic machine and testing calibrations.

Upon completion of this course, the student will be able to:

• calibrate an ultrasonic testing machine to the proper standards.
• demonstrate proper techniques when examining materials and/or welds.
• evaluate ultrasonic test results to ensure they meet code requirements.
• perform inspections that meet industry standards.

Upon completion of this course, the student will be able to:

• interpret and apply common welding formulas.
• demonstrate problem-solving skills for technical and trade work.
• analyze problems that are encountered in metal fabrication.
• solve equations needed in the welding field.

Upon completion of this course, the student will be able to:

• identify personal interests as related to career choices.
• demonstrate effective communication skills.
• demonstrate personal qualities that are desirable in the workplace.
• create long-term and short-term goals.

Upon completion of this course, the student will be able to:

• select welding processes and fabrication variables.
• prepare metal fabrications to basic prints.
• produce welds to code standards.
• demonstrate proper workplace etiquette.

Upon completion of this course, the student will be able to:

• research the specialized needs of a manufacturer
• formulate tasks related to the specific needs of the company
• access information effectively and efficiently for welding standards used in manufacturing
• evaluate welding procedure information to specific standards

Upon completion of this course, the student will be able to:

• demonstrate mastery of specific job skills in the welding field related to an associate degree or certificate occupational program level career as written in the minimum three (3) learning objectives created by the student and their employer or work site supervisor at the start of the course.
• make effective decisions, use workforce information, and manage their personal career plans.
• behave professionally, ethically, and legally during work, consistent with applicable laws, regulations, and organizational norms.
• behave responsibly during work, exhibiting initiative and self-management in situations where it is needed.
• apply effective leadership styles during work, with consideration to group dynamics, team and individual decision making, and workforce diversity.
• communicate in oral, written, and other formats, as needed, in a variety of contexts during work.
• locate, organize, evaluate, and reference information during work.
• demonstrate originality and inventiveness during work by combining ideas or information in new ways, making connections between seemingly unrelated ideas, and reshaping goals in ways that reveal new possibilities using critical and creative thinking skills such as logical reasoning, analytical thinking, and problem-solving.

Upon completion of this course, the student will be able to:

• apply safety standards to each welding process.
• demonstrate proper welding techniques for each welding process.
• evaluate welding projects in accordance with D1.1 Structural Welding Code-Steel Welding Procedures and Specifications.
• analyze welding projects and make corrective changes to meet industry standards.
• perform skills in arc welding that meet industry standards.

Upon completion of this course, the student will be able to:

• describe practical applications of metallurgy.
• classify various steel making processes.
• evaluate how steel is formed into various shapes and products.
• evaluate the different types of iron and steel alloy.
• describe the mechanical and physical properties of metal.
• describe the basic metallurgical concept of iron, steel, and cast iron.
• use the iron carbon equilibrium diagram to explain phase changes of iron and steel.
• explain the micro structural analyses of steel.
• explain heat treating and quenching.
• explain annealing and normalizing.
• explain isothermal transformation diagrams.
• explain tempering.
• explain metallurgical and chemical terminology.
• explain how temperature affects distortion.
• evaluate different types of material strengths.
• compare steel hardness using different hardness testing methods.
• explain surface hardening.
• analyze tensile and hardness tests.

Upon completion of this course, the student will be able to:

• explain the scope and limitations of the Structural Welding Code (D1.1).
• explain safe practices for welding inspectors.
• analyze the requirements for a pre-qualified welding procedure.
• describe the qualification requirements of welding procedures and welding personnel, such as welders, welding operators, and tack welders, necessary to perform code work.
• explain the requirements for the preparation, assembly, and workmanship of welded steel structures to personnel.
• examine the qualification and responsibilities of inspectors, acceptance criteria for production welds, and standard procedures for performing visual inspection.
• explain the metal joining and cutting processes used in manufacturing.
• evaluate weld and base metal discontinuities.
• explain the mechanical and chemical properties of metals.
• interpret the requirements for the design of welded connections.
• interpret weld-joint geometry and weld-symbol dimensioning.
• explain the welding metallurgy of commonly used materials.
• demonstrate effective communication skills in the work place.

Upon completion of this course, the student will be able to:

• demonstrate welding skills on joint designs and positions used in industry.
• explain arc blow, what causes it, and how to control it.
• explain the characteristics of the four filler metal groups for steel.
• define arc length, and describe the effects of using an improper arc length.
• explain and define the three units used to measure welding current.
• define open circuit voltage and operating voltage.
• analyze a welding machine duty cycle chart and explain its significance.
• describe the effects of the welding essential variables by comparing the bead's shape for weld width, reinforcement height, and appearance.
• evaluate a weld according to a given standard or code.
• analyze welding procedures used in manufacturing for production welding.
• describe the use of destructive and nondestructive testing for weld testing.
• evaluate welding symbols standards used in the industry.

Upon completion of this course, the student will be able to:

• explain the code used for structural, refinery, and fuel transport piping systems.
• describe the system for depicting welding on a pipe print.
• distinguish between pipe and tubing.
• distinguish the different weld passes on pipe joints and explain the purpose of each one.
• inspect and evaluate welds on pipe according to code standards.
• describe the four pipe positions.
• identify the pipe positions to qualify welders for all positions of pipe welding.

Upon completion of this course, the student will be able to:

• identify the variables that must be considered when setting up the components of the GTAW system.
• demonstrate safety precautions regarding electrical current, inert gases, the welding environment, and other areas of concern, such as hot work and ventilation.
• explain equipment components and accessories.
• analyze the factors of current type, amperage ranges, duty cycle, and adequate control during the welding operation to determine the selection of a power supply for welding.
• identify and explain functions of shielding gases in the GTAW system.
• design a welding procedure using GTAW for the root pass, fill passes, and cover passes.
• interpret the factors that determine the selection of filler materials.
• evaluate each weld by using the visual inspection method for defects according to the ASME, the AWS, and the API 1104 standards.

Upon completion of this course, the student will be able to:

• describe joint design and joint preparation.
• analyze and interpret the most common root defects and the causes for each one.
• evaluate the use of a hot pass.
• explain reasons for purging pipe weld areas and describe the criteria for selecting gases used for purging.
• describe the different types of purging dams.
• explain root purging operation and oxygen level test.
• perform tack welding procedures.
• perform torch manipulation and welding techniques used for welding pipe.
• examine and evaluate welded pipe according to AWS, ASME and API standards.
• explain how to make a single V-groove weld on pipe in any position.
• identify areas to be inspected when performing GTAW pipe operations.
• identify and describe types of weld integrity test performed on a welded pipe.
• interpret Procedure Qualification Record (PQR) and produce Welding Procedure Specification (WPS).

Upon completion of this course, the student will be able to:

• describe how to use Gas Metal Arc Welding (GMAW) safely.
• analyze and interpret the defects that may be caused when welding with the GMAW process.
• explain the various types of metal transfer.
• analyze problems that may occur when welding with the constant voltage welding machine.
• describe the five essential variables that can be used to control the molten weld pool.
• list shielding gases used for short-circuiting, spray, and pulse-spray transfer.
• interpret how the molten weld pool can be controlled by varying the shielding gas, power setting, and weave pattern.
• explain voltage, amperage, and electrical current as related to GMA welding.
• evaluate completed welds to code specifications.

Upon completion of this course, the student will be able to:

• describe safe procedures when using Gas Metal Arc Welding (GMAW) equipment.
• explain the procedure in setting up constant potential or constant voltage power supplies when welding aluminum and stainless steel.
• describe the shielding gases and electrode classifications when welding aluminum and stainless steel.
• demonstrate welding techniques made on groove and fillet welds using various modes of metal transfer.
• explain the significance of the filler metal prefixes.
• interpret the standard filler metal numbering system for aluminum and stainless steel.
• analyze the cause of corrosion in stainless steel welds.
• explain the types of weld heat-affected zones.
• describe the effects of preheating and post heating on stainless steel and aluminum.
• explain the precautions that must be taken when welding stainless steel and aluminum alloys.
• evaluate welds beads made with various shielding gas mixtures.

Upon completion of this course, the student will be able to:

• explain the semi-automatic Flux Core Arc Welding (FCAW) process.
• analyze and interpret the most common weld defects and the causes for each one.
• recognize basic welding symbols and the different weld types and proper placement.
• determine when and why a backing bar and or back gouging is used in structural steel welding.
• examine and evaluate welds for certification and fabrication requirements in accordance with the American Welding Society (AWS) D1.1 Structural Steel Code.
• understand the safety precautions associated with Flux Core Arc Welding.

Upon completion of this course, the student will be able to:

• interpret working sketches and prints common to metal fabrication.
• analyze concepts and sketching techniques on structural shapes commonly used by welders.
• examine and interpret weld symbols that are represented on drawings.
• locate notes and specifications concerning important details on drawings.
• interpret views on drawings with conventional breaks.
• draw oblique and isometric sketches from orthographic views.
• convert measurements from metric to standard.